diff --git a/linking/static/eclipse-paho-mqtt-c/linked-against-eclipse-paho-mqtt-c.yml b/linking/static/eclipse-paho-mqtt-c/linked-against-eclipse-paho-mqtt-c.yml
new file mode 100644
index 00000000..e1de19de
--- /dev/null
+++ b/linking/static/eclipse-paho-mqtt-c/linked-against-eclipse-paho-mqtt-c.yml
@@ -0,0 +1,23 @@
+rule:
+  meta:
+    name: linked against Eclipse Paho MQTT C
+    namespace: linking/static/eclipse-paho-mqtt-c
+    authors:
+      - jakubjozwiak@google.com
+    scopes:
+      static: file
+      dynamic: file
+    references:
+      - https://github.com/eclipse-paho/paho.mqtt.c
+    examples:
+      - 80f166e9c0427f055c88c9ee62016a6ba6a938023ff8778f5a0b5f8d7fe7570d
+  features:
+    - or:
+      - string: "mqttasync_mutex error %d"
+      - string: "mqttclient_mutex error %d"
+      - string: "mqttcommand_mutex error %d"
+      - string: "subscribe_mutex error %d"
+      - string: "MQTT version is 0 in MQTTAsync_connecting"
+      - string: "Bad MQTT packet, type %d"
+      - string: "memory allocation error in MQTTStrdup"
+      - string: "Error from MQTTProperties add %d"
diff --git a/linking/static/qmqtt/linked-against-qmqtt.yml b/linking/static/qmqtt/linked-against-qmqtt.yml
new file mode 100644
index 00000000..8393df88
--- /dev/null
+++ b/linking/static/qmqtt/linked-against-qmqtt.yml
@@ -0,0 +1,27 @@
+rule:
+  meta:
+    name: linked against QMQTT
+    namespace: linking/static/qmqtt
+    authors:
+      - jakubjozwiak@google.com
+    scopes:
+      static: file
+      dynamic: file
+    references:
+      - https://github.com/emqx/qmqtt
+    examples:
+      - 96abcbcb4aec439ac1619b02a44b6f482241dbb7486a15138e3aada5fa01d382
+  features:
+    - or:
+      - string: "qmqtt: Binary data size bigger than %u bytes, truncate it!"
+      - string: "qmqtt: String size bigger than %u bytes, truncate it!"
+      - string: "qmqtt: Control packet bigger than 256 MB, dropped!"
+      - string: "qmqtt: Control packet write error!"
+      - string: "QMQTT::Client"
+      - string: "QMQTT::ClientPrivate"
+      - string: "QMQTT::Network"
+      - string: "QMQTT::Socket"
+      - string: "QMQTT::SslSocket"
+      - string: "QMQTT::Timer"
+      - string: "QMQTT::WebSocket"
+      - string: "QMQTT::WebSocketIODevice"